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3144407 = 7449201
BaseRepresentation
bin1011111111101011010111
312220202022112
423333223113
51301110112
6151221235
735504240
oct13775327
95822275
103144407
111858492
12107781b
138612c6
145bbcc7
15421a22
hex2ffad7

3144407 has 4 divisors (see below), whose sum is σ = 3593616. Its totient is φ = 2695200.

The previous prime is 3144403. The next prime is 3144419. The reversal of 3144407 is 7044413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3144407 - 22 = 3144403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224594 + ... + 224607.

It is an arithmetic number, because the mean of its divisors is an integer number (898404).

Almost surely, 23144407 is an apocalyptic number.

3144407 is a deficient number, since it is larger than the sum of its proper divisors (449209).

3144407 is an equidigital number, since it uses as much as digits as its factorization.

3144407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449208.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 3144407 is about 1773.2475856462. The cubic root of 3144407 is about 146.5029100906.

The spelling of 3144407 in words is "three million, one hundred forty-four thousand, four hundred seven".

Divisors: 1 7 449201 3144407